+

WO2007015694A3 - Procede et systeme pour la realisation d'estimation de voie dans un systeme de transmission a bloc d'antennes multiples - Google Patents

Procede et systeme pour la realisation d'estimation de voie dans un systeme de transmission a bloc d'antennes multiples Download PDF

Info

Publication number
WO2007015694A3
WO2007015694A3 PCT/US2005/027350 US2005027350W WO2007015694A3 WO 2007015694 A3 WO2007015694 A3 WO 2007015694A3 US 2005027350 W US2005027350 W US 2005027350W WO 2007015694 A3 WO2007015694 A3 WO 2007015694A3
Authority
WO
WIPO (PCT)
Prior art keywords
channel estimation
multiple antenna
block transmission
performing channel
antenna block
Prior art date
Application number
PCT/US2005/027350
Other languages
English (en)
Other versions
WO2007015694A2 (fr
Inventor
Sriram Mudulodu
Krishnamurthy Giridhar
Original Assignee
Beceem Comm Inc
Sriram Mudulodu
Krishnamurthy Giridhar
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beceem Comm Inc, Sriram Mudulodu, Krishnamurthy Giridhar filed Critical Beceem Comm Inc
Publication of WO2007015694A2 publication Critical patent/WO2007015694A2/fr
Publication of WO2007015694A3 publication Critical patent/WO2007015694A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

La présente invention a trait à des procédés et systèmes pour la réalisation d'estimation de voie dans un système de transmission à bloc d'antennes multiples en vue d'améliorer la qualité d'estimation de voie et/ou l'étalement de délai des voies qui peuvent être estimées.
PCT/US2005/027350 2005-08-01 2005-10-05 Procede et systeme pour la realisation d'estimation de voie dans un systeme de transmission a bloc d'antennes multiples WO2007015694A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/195,523 US7382842B2 (en) 2004-08-02 2005-08-01 Method and system for performing channel estimation in a multiple antenna block transmission system
US11/195,523 2005-08-01

Publications (2)

Publication Number Publication Date
WO2007015694A2 WO2007015694A2 (fr) 2007-02-08
WO2007015694A3 true WO2007015694A3 (fr) 2007-07-12

Family

ID=37709024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/027350 WO2007015694A2 (fr) 2005-08-01 2005-10-05 Procede et systeme pour la realisation d'estimation de voie dans un systeme de transmission a bloc d'antennes multiples

Country Status (2)

Country Link
US (2) US7382842B2 (fr)
WO (1) WO2007015694A2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248559B2 (en) 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
CN101958853B (zh) * 2005-01-17 2012-11-21 夏普株式会社 无线电通信设备
KR100941901B1 (ko) * 2005-03-01 2010-02-16 퀄컴 인코포레이티드 다중 송신 모드용 채널 추정 최적화
US8107517B2 (en) * 2005-12-09 2012-01-31 Qualcomm Incorporated Average-tap energy based thresholding for channel estimation in multi antenna systems
US8689025B2 (en) * 2006-02-21 2014-04-01 Qualcomm Incorporated Reduced terminal power consumption via use of active hold state
US9461736B2 (en) * 2006-02-21 2016-10-04 Qualcomm Incorporated Method and apparatus for sub-slot packets in wireless communication
US8396152B2 (en) * 2006-02-21 2013-03-12 Qualcomm Incorporated Feedback channel design for multiple-input multiple-output communication systems
US8077595B2 (en) 2006-02-21 2011-12-13 Qualcomm Incorporated Flexible time-frequency multiplexing structure for wireless communication
US7706459B2 (en) * 2006-03-10 2010-04-27 Beceem Communications Inc. System and method for channel estimation
US8300740B1 (en) * 2007-01-26 2012-10-30 Marvell International Ltd. Method and system for generating information for use in detecting a signal
US20080181095A1 (en) * 2007-01-29 2008-07-31 Zangi Kambiz C Method and Apparatus for Impairment Correlation Estimation in Multi-Antenna Receivers
US8811352B2 (en) * 2007-06-04 2014-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for channel estimation in a transmit diversity environment
EP2112775B1 (fr) * 2008-04-25 2018-06-06 Telefonaktiebolaget LM Ericsson (publ) Procédé et appareil pour la compensation du délai propagation dans un système de communication sans fil
KR101061067B1 (ko) 2008-10-27 2011-08-31 한국전자통신연구원 식별신호를 이용한 개별 수신전력 계산 장치 및 방법
KR100967058B1 (ko) * 2008-11-21 2010-06-29 성균관대학교산학협력단 무선통신 시스템에서의 개량된 채널 추정 방법 및 채널 추정기
CN103166877B (zh) * 2011-12-08 2015-12-09 电信科学技术研究院 一种信道估计方法及装置
CN116566517B (zh) * 2023-07-07 2023-09-15 成都本原星通科技有限公司 一种面向低轨通信卫星的数据传输速率自适应匹配方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030012267A1 (en) * 2000-03-06 2003-01-16 Daisuke Jitsukawa CDMA receiver, and searcher in a CDMA receiver
US20040052304A1 (en) * 2002-09-18 2004-03-18 Andres Reial Robust delay estimation architecture
US20050111598A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatio-temporal joint searcher and channel estimators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0938208A1 (fr) * 1998-02-22 1999-08-25 Sony International (Europe) GmbH Transmission multiporteuse, compatible au système GSM existant
US7068628B2 (en) * 2000-05-22 2006-06-27 At&T Corp. MIMO OFDM system
JP3558053B2 (ja) * 2001-06-06 2004-08-25 日本電気株式会社 適応アンテナ受信装置
US7173973B2 (en) * 2003-10-31 2007-02-06 Nokia Corporation Multiple-antenna partially coherent constellations for multi-carrier systems
KR100587417B1 (ko) * 2003-12-22 2006-06-08 한국전자통신연구원 주파수 분할 다중화를 사용하는 무선통신 시스템에서의적응 송수신 장치 및 그 방법
JP2007300217A (ja) * 2006-04-27 2007-11-15 Toshiba Corp Ｏｆｄｍ信号の送信方法、ｏｆｄｍ送信機及びｏｆｄｍ受信機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030012267A1 (en) * 2000-03-06 2003-01-16 Daisuke Jitsukawa CDMA receiver, and searcher in a CDMA receiver
US20040052304A1 (en) * 2002-09-18 2004-03-18 Andres Reial Robust delay estimation architecture
US20050111598A1 (en) * 2003-11-20 2005-05-26 Telefonaktiebolaget Lm Ericsson (Publ) Spatio-temporal joint searcher and channel estimators

Also Published As

Publication number Publication date
US7535979B2 (en) 2009-05-19
US20080075210A1 (en) 2008-03-27
US7382842B2 (en) 2008-06-03
US20060023772A1 (en) 2006-02-02
WO2007015694A2 (fr) 2007-02-08

Similar Documents

Publication Publication Date Title
WO2007106119A3 (fr) Système et procédé d'estimation de canal
WO2007015694A3 (fr) Procede et systeme pour la realisation d'estimation de voie dans un systeme de transmission a bloc d'antennes multiples
WO2007083284A3 (fr) Procede et systeme pour une estimation de canal dans des systemes de communication
WO2010009000A8 (fr) Connecteurs rubans pour appareils de mesure
IL176989A0 (en) Pilot transmission and channel estimation for an ofdm system with excess delay spread
EP2120359A4 (fr) Dispositif d'estimation de canal, dispositif d'égalisation, et procédé d'égalisation dans l'estimation
EP1955274A4 (fr) Procede et systeme d'estimation du revenu
WO2006078928A3 (fr) Systeme et procede pour la creation d'images de qualite variable d'une diapositive
TW200735552A (en) Average-tap energy based thresholding for channel estimation in multi antenna systems
WO2007134263A3 (fr) Système et procédé permettant d'établir des sessions concurrentes dans un réseau de communications hybride poste-à-poste
MX2007011700A (es) Sistemas y metodos para retroalimentacion de formacion de haces en sistemas de comunicacion de multiples antenas.
EP2337234A4 (fr) Procédé, appareil et système permettant une émission par antennes multiples
EP1900233A4 (fr) Procede et systeme d'extension de largeur de bande pour communications vocales
WO2010081868A3 (fr) Procédés et appareils pour la transmission de données
EP1862533A4 (fr) Systeme, procede et programme d estimation des cultures cellulaires
EP1931151A4 (fr) Procede et systeme pour partager un canal inverse dans un systeme de communication en grappe
EP2248279A4 (fr) Procédé et appareil pour attribuer un canal de retour dans un système de communication à plusieurs antennes
EP2241398A4 (fr) Appareil de jointement à froid et procédé de jointement à froid
EP2145246A4 (fr) Procédé et système pour une représentation et une analyse dynamiques de performances de réseau en trois dimensions
TWI350072B (en) Adaptive channel estimator and adaptive channel estimation method
WO2010011078A3 (fr) Procédé de transmission de données dans un système à antennes multiples
WO2008124836A3 (fr) Procédés de réduction de la virulence de bactéries
IL178744A0 (en) Method for estimating bandwidth limiting effects in transmission communication systems
WO2005125111A3 (fr) Reduction de bande passante d'une liaison terrestre
GB2458837B (en) System and method for single-carrier space-frequency block coded transmission over frequency selective and fast fading channels

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05857558

Country of ref document: EP

Kind code of ref document: A2

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载